1.) Camellia japonica ‘Daikagura’ in full bloom. Area C, 3/15/12:

2.)  Rhododendron Sutchuenense; Area F, 3/15/12:

Rhododendron • シャクナゲ • 石楠花 • shakunage

3.)  Lindera obtusiloba • Japanese spicebush; 3/15/12, Area Z:

From Backyard Gardener:  Lindera obtusiloba • (Japanese Spicebush) • Lindera is cultivated for its attractive, aromatic foliage, star-shaped, mid-April flowers and showy red to black fruit. Growth habit is rounded with upright branches. Bright green leaves are obovate to 5 inches long, turning yellow in the fall.

4.) Rhododendron ?? Area C, closer to the fence.  3/15:

Same flower when is NOT raining: 3/15: